---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-12832 6.8.0-90-generic #91-Ubuntu SMP PREEMPT_DYNAMIC Tue Nov 18 14:14:30 UTC 2025 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Address sizes: 40 bits physical, 48 bits virtual Byte Order: Little Endian CPU(s): 2 On-line CPU(s) list: 0,1 Vendor ID: AuthenticAMD Model name: AMD EPYC-Rome Processor CPU family: 23 Model: 49 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 2 Stepping: 0 BogoMIPS: 5599.99 Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm rep_good nopl cpuid extd_apicid tsc_known_freq pni pclmulqdq ssse3 fma cx16 sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy svm cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw topoext perfctr_core ssbd ibrs ibpb stibp vmmcall fsgsbase tsc_adjust bmi1 avx2 smep bmi2 rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 clzero xsaveerptr wbnoinvd arat npt nrip_save umip rdpid arch_capabilities Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 64 KiB (2 instances) L1i cache: 64 KiB (2 instances) L2 cache: 1 MiB (2 instances) L3 cache: 32 MiB (2 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0,1 Vulnerability Gather data sampling: Not affected Vulnerability Itlb multihit: Not affected Vulnerability L1tf: Not affected Vulnerability Mds: Not affected Vulnerability Meltdown: Not affected Vulnerability Mmio stale data: Not affected Vulnerability Reg file data sampling: Not affected Vulnerability Retbleed: Mitigation; untrained return thunk; SMT disabled Vulnerability Spec rstack overflow: Vulnerable: Safe RET, no microcode Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl Vulnerability Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Retpolines; IBPB conditional; STIBP disabled; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected Vulnerability Srbds: Not affected Vulnerability Tsx async abort: Not affected Vulnerability Vmscape: Not affected ---> nproc: 2 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 795M 1.1M 794M 1% /run /dev/vda1 38G 7.9G 30G 21% / tmpfs 3.9G 0 3.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda16 881M 117M 703M 15% /boot /dev/vda15 105M 6.2M 99M 6% /boot/efi tmpfs 795M 16K 795M 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 7941 750 5240 4 2247 7191 Swap: 1023 0 1023 ---> ip addr: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host noprefixroute valid_lft forever preferred_lft forever 2: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:0c:17:5a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.89/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80822sec preferred_lft 80822sec inet6 fe80::f816:3eff:fe0c:175a/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-12832) 05/12/26 _x86_64_ (2 CPU) 00:45:24 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:09 1.67 0.02 1.63 0.01 1.22 19.99 645.84 01:10:09 15.62 13.55 2.02 0.05 151.17 44.03 6.49 01:20:01 1.86 0.26 1.59 0.01 31.41 74.57 0.30 01:30:09 1.49 0.00 1.47 0.02 1.04 18.17 7.93 01:40:09 1.34 0.00 1.34 0.00 0.00 16.41 0.00 01:50:01 14.10 0.00 1.34 12.75 0.15 16.34 110542.00 02:00:09 1.51 0.00 1.48 0.03 0.00 18.56 1.41 02:10:09 1.42 0.00 1.40 0.02 0.00 17.00 1.20 Average: 4.85 1.73 1.53 1.59 23.04 28.03 13702.27 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:09 6274496 7525320 295376 3.63 30692 1425784 533332 5.81 448984 1187408 172 01:10:09 6219476 7527416 284192 3.49 34848 1470412 533420 5.81 449812 1235592 124 01:20:01 6168752 7503364 307660 3.78 35208 1496348 727828 7.93 464596 1253124 124 01:30:09 6187020 7522484 288500 3.55 35404 1496980 533576 5.81 459176 1253640 212 01:40:09 6194328 7530288 280724 3.45 35568 1497312 533712 5.81 459728 1254136 156 01:50:01 6190580 7527220 283740 3.49 35728 1497812 533712 5.81 460024 1254640 124 02:00:09 6193672 7530856 280072 3.44 35940 1498136 533712 5.81 460036 1255176 188 02:10:09 6193672 7531404 279504 3.44 36148 1498464 533736 5.81 460156 1255712 156 Average: 6202750 7524794 287471 3.53 34942 1485156 557878 6.08 457814 1243678 157 00:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:09 ens3 0.86 0.06 0.10 0.03 0.00 0.00 0.00 0.00 01:10:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:09 ens3 0.52 0.05 0.09 0.03 0.00 0.00 0.00 0.00 01:20:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 1.30 0.28 3.87 0.08 0.00 0.00 0.00 0.00 01:30:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:09 ens3 0.33 0.07 0.07 0.03 0.00 0.00 0.00 0.00 01:40:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:09 ens3 0.46 0.14 0.09 0.54 0.00 0.00 0.00 0.00 01:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:01 ens3 0.24 0.07 0.08 0.04 0.00 0.00 0.00 0.00 02:00:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:09 ens3 0.25 0.05 0.07 0.03 0.00 0.00 0.00 0.00 02:10:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:09 ens3 0.26 0.05 0.07 0.03 0.00 0.00 0.00 0.00 Average: lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 0.53 0.10 0.55 0.10 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-12832) 05/12/26 _x86_64_ (2 CPU) 00:45:24 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:09 all 0.32 0.00 0.19 0.01 0.02 99.46 01:00:09 0 0.34 0.00 0.17 0.01 0.02 99.45 01:00:09 1 0.29 0.00 0.21 0.01 0.02 99.47 01:10:09 all 0.28 0.18 0.16 0.15 0.02 99.21 01:10:09 0 0.47 0.00 0.06 0.05 0.02 99.40 01:10:09 1 0.09 0.35 0.25 0.25 0.03 99.02 01:20:01 all 0.39 0.00 0.11 0.03 0.02 99.45 01:20:01 0 0.45 0.00 0.13 0.04 0.02 99.36 01:20:01 1 0.32 0.00 0.10 0.03 0.02 99.54 01:30:09 all 0.27 0.00 0.18 0.02 0.02 99.51 01:30:09 0 0.14 0.00 0.18 0.01 0.01 99.66 01:30:09 1 0.40 0.00 0.19 0.02 0.02 99.36 01:40:09 all 0.29 0.00 0.08 0.11 0.02 99.50 01:40:09 0 0.42 0.00 0.06 0.01 0.02 99.50 01:40:09 1 0.17 0.00 0.10 0.22 0.02 99.50 01:50:01 all 0.25 0.00 0.10 0.33 0.30 99.01 01:50:01 0 0.44 0.00 0.05 0.57 0.28 98.65 01:50:01 1 0.07 0.00 0.14 0.09 0.32 99.38 02:00:09 all 0.26 0.00 0.18 0.01 0.02 99.53 02:00:09 0 0.27 0.00 0.18 0.02 0.02 99.52 02:00:09 1 0.25 0.00 0.18 0.01 0.01 99.54 02:10:09 all 0.23 0.00 0.08 0.02 0.12 99.55 02:10:09 0 0.06 0.00 0.10 0.01 0.16 99.68 02:10:09 1 0.41 0.00 0.07 0.03 0.08 99.42 Average: all 0.29 0.02 0.13 0.08 0.07 99.40 Average: 0 0.32 0.00 0.11 0.09 0.07 99.40 Average: 1 0.25 0.04 0.15 0.08 0.07 99.40